Set of blanks



' July 11, 1967 A. lVARSSON-WALLERSTROM 3,330,581

SET OF BLANKS Filed April 27, 1965 MWwwwm-w I Kamwfi-tuus United States Patent ()flice 3330581 Patented July 11, 1967 The invention should not be considered as limited to sETifigtlliiilNKs the embodiment described and shown in the drawing since it ermits of modification i v r Arne Ivarsson-Wallerstrom, Farsta, Sweden, assignor to p n Se 6 al ways Wlthm the scope of the appended claim.

igkgfg g gg 25:23 What I claim and desire to secure by Letters Patent is: Claims priority, application Sweden, Apr. 30, 1964, A sena1,set of blanks compflsmg 5452 a plurallty of detachably interconnected and super- 1 Claim. (Cl. 282-11) Imposed p p Sheets,

means for transferring information between said super- This invention relates to a set of blanks comprising imposed paper sheets, a plurality of detachably interconnected and superima Punched Card removably mounted on the reafmost posed paper sheets in which copying can be performed Of said sheets, by means of interleaved carbon paper sheets or in any said punched card having removable mounting means other it bl m n r holding it against sliding movement in either longi- The characteristic feature of the invention resides in 15 tudinal or lateral directions, that one of the paper sheets, preferably the rearmost is d removable mounting means including equipped with means for removably securing a punched a plurality of holding means of at least four in card thereto. number,

These and further features of the invention and the two of said holding means preventing movement I advantages gained thereby will become apparent from in an upward and lon direction, the following description in which reference is made to two of said holding means preventing movement the accompanying drawing. In the drawing: r in a longitudinal and downward direction,

FIG. 1 shows one embodiment of a set of blanks acone of said first two mentioned holding means cocording to the invention; v, operating and coacting with one of said two FIG. 2 shows another embodiment of the set of second mentioned holding means for preventblanks. ing movement in one lateral or sidewise direc- A set of blanks comprises a number of paper sheets 1 tion and the second of said first two mentioned which are either as in FIG. 1 connected via perforation holding means and the second of said second lines 2 to a common stub portion 3 or as in FIG. 2 intwo mentioned holding means preventing moveterconnected by folded perforated portions 4. Copying ment in a second lateral sidewise direction, means are interleaved with the various sheets. These each of said holding means being relatively small means may be carbon paper sheets 5 secured to the stub with respect to the area of said punched card portion 3 (FIG. 1) or a carbon coating 6 on the reverse and serving to hold said punched card in a of the paper sheets (FIG. 2). A further possibility of marginal location so as to expose substantially copying may be provided by chemically treating the facthe majority of the area of said punched card ing sides of the paper sheets so that a coloration arises to receive said transfer of information, when local pressure is exerted. A number of sets prefereach of said holding means cooperating with the ably of the form shown in FIG. 1 may be substituted punched card directly at its margin and over for each of sheets 1 of FIG. 2 interconnected by folded a very small portion of its surface on the side perforated portions 4 so that it is possible to detach the which is exposed to receive the transfer of individual sets of blanks after the desired operation has information. been effected on them.

The rearmost sheet 7 or the sheet in a set of blanks References Cited which is located inside a leaf serving as cover, is UNITED STATES PATENTS e 'uipped according to the invention with oblique slits 8 which are intended to receive the corners of a punched 954822 4/1910 satilpson 282 29 X ard 9, The oblique arrangement of the slits provides a 1,198590 9/1916 Smlth 282 29 simple mounting and removal of the punched card 9 and 2,257,766 10/1941 Sherman 282-11.5 in addition an exact localization thereof relative to the 2 53 371 1 1951 Hutchison 2 2, 23 leaf 7. ThlS lS extremely important fo a CO F localiza 9 3 524 5 19 1 Kehoe 2 2 2 tion on the punched card of lnformation written on the sheets 1 in the sets of blanks. The invention brings the F R PATENTS advantage that punched cards may be prepuncheci1 with 11 7 7 11 195 Italy certain information before they are inserted in t e set of blanks, removed and provided with further punched 55 OTHER REFERENCES data and/or treated in another manner and again mount- IBM Technical Disclosure Bulletin, volume 5, Numed in the set of blanks for the insertion of further inforher 4, September 1962, page 10. mation. When the typing of the set of blanks is finished the punched card is removed for the desired treatment. LAWRENCE CHARLES, Primary Examiner. 

